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WorldMediterraneanAegean SeaGreeceTrizonia
38°21.935'N, 022°04.310'E Chart icon.png
lat=38.36558 | lon=22.07183 | zoom=13 | y
Greece Trizonia h.jpg
Chart of Trizonia

Trizónia (Τριζόνια) is a small island on the NW side of the Gulf of Corinth, 12 miles E of Navpaktos and 15 miles W of Galaxidhi. It lies directly opposite the mainland town of Glifadha. There is only one small hamlet on the island, yet there are several restaurants on the waterfront serving the local specialty: crayfish. In a sheltered bay on the E side of the island, protected from E by the islet of Ay. Ioannis, construction began in the 90's on a marina. While the basic infrastructure was completed, the marina was never finished, but what was left was a perfectly usable and very well sheltered harbour and anchorage where visiting yachts can moor for free. Trizonia is thus a popular port of call for yachts cruising along the N coast of the Gulf between the Gulf of Patras and the Corinth Canal. There is little to do on the island, but it is an excellent place to ‘chill out’ and recharge the batteries (even if that is not possible with the yacht batteries).


1600 Korinthiakós Kólpos
G13 Gulfs of Patras and Corinth
54289 Korinthiakos Kolpos
232 Korinthiakos Kolpos


See Korinthiakos Kolpos.



  • Ay. Ioannis


  • Coast Guard - VHF channel 12, tel. +30 27410 28 888
  • Olympia Radio - VHF channels 02, 64, & 85

Also see World Cruiser's Nets

Trizonia ‘marina’ from SW
Jetty at Trizonia
Trizonia waterfront tavernas
Trizonia waterfront
'Darling, did you remember to close the seacocks?'


The approach to Trizonia is either from SE, between it and the smaller islet of Ay, Ioannis, or from NW between it and the mainland. There are no hazards in the approach from SE, but note that a reef extends in parts for 200-300 metres from the N and NE shores of the island and a very wide approach is necessary to avoid it. Once into the bay on the E side of the island, the ‘marina’ is entered from SW between the two long protective breakwaters. Depths in the entrance to the bay are 9.0 – 10.0 metres and in the marina entrance 5.0 – 6.0 metres. Shelter in the bay is very good from all directions, although E winds send in a chop. Shelter in the marina is excellent.


The nearest port of entry is Patras.



The "marina" is the only place to moor on the island. While there is a small harbour on the NE side used by the small fishing boats, it does not offer good shelter and is relatively shallow. The marina consists of a long, outer E breakwater extending from the shore of the peninsula that shelters the marina from NE and a shorter, inner W breakwater extending from the opposite shore. Inside there are also two long concrete jetties extending due S from the northern shore. Yachts berth in one of five positions:

  1. Alongside either of the two concrete jetties, wherever there is space. The inner ends are occupied by local boats on laid moorings. Do not attempt an anchor moor here as there are mooring chains along the jetty. The quay is quite rough here and liable to damage fenders if you are not careful. Mooring bollards are plentiful but there are no other facilities on the jetties. Depths are 3.0 – 4.0 metres.
  2. Alongside (or, during busy periods, stern/bows-to) the inside of either breakwater. The bollards are widely spaced here but there are also mooring rings set into the wall in places if you are doing an anchor moor. Depths here are also 3.0 – 4.0 metres and the holding is good in mud.
  3. Alongside the outside of the W breakwater. Depths here are only 2.5 – 3.0 metres, so this position is not suitable for deep draft yachts. Note that the area towards the root of the outside of this breakwater is dangerously shallow.
  4. Alongside (or, during busy periods, stern/bows-to) the outside of the E breakwater. Depths here are greater, at 4.0 – 5.0 metres, and bollards are plentiful. This position is, however, only suitable in settled weather and becomes very uncomfortable with anything E in the wind.
  5. Alternatively, anchor off in the bay. Depths are 5.0 - 6.0 metres and the holding is good in mud and weed. Make sure, however, that your anchor is well dug in before going ashore as yachts have dragged here.

Note: The yacht that has sunk at its moorings between the two jetties (see below right) was removed in 2018.

Many boats have wintered here. Despite the "marina" it is an attractive anchorage.

Marinas & Yacht Clubs

The "marina" is unfinished for at least 15 years now. There are no services.


You can anchor off in the cove. It provides an excellent all around shelter.


Water In the hamlet of Trizonia
Electricity N/A (Not Available)
Toilets N/A
Showers N/A
Laundry N/A
Garbage There are bins around the "marina"
Fuel N/A
Bottled gas ?
Chandlers None
Repairs N/A
Internet In Kalypso and Poseidon tavernas on the waterfront
Mobile connectivity ?
Vehicle rentals N/A


Very basic groceries only.

Eating out

Several tavernas and cafes around the waterfront NE of the "marina".


There are daily ferries to Glifadha on the mainland.


The island is partly wooded and the walks from the waterfront round the N side and in the other direction round the E side of the island are both very pleasant. There is not a lot to do otherwise.


Contact details of "Cruiser's Friends" that can be contacted for local information or assistance.


List links to discussion threads on partnering forums. (see link for requirements)



See Greece.


We welcome users' contributions to the Wiki. Please click on Comments to view other users' comments, add your own personal experiences or recommend any changes to this page following your visit.

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Names: Istioploos, Athene of Lymington

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